Out of modes TE₂₀ and TE₃₀ of propagation of electromagnetic e – McqOptions

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1.	Out of modes TE₂₀ and TE₃₀ of propagation of electromagnetic engery
A.	both have the same cutoff frequency
B.	TE₂₀ has lower cut off frequency as compared to TE₃₀
C.	TE₃₀ has lower cutoff frequency as compared to TE₂₀
D.	either (a) or (c)
Answer» C. TE₃₀ has lower cutoff frequency as compared to TE₂₀

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